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Merge pull request #1434 from vcmi/sdl-2-finger-touch

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Handle 2 fingers gesture as rclick via SDL
This commit is contained in:
Andrii Danylchenko
2023-01-17 19:01:20 +02:00
committed by GitHub
parent 2de48624bc c24b89fe06
commit 174624d791
3 changed files with 60 additions and 13 deletions
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70
client/gui/CGuiHandler.cpp
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@@ -206,6 +206,21 @@ void CGuiHandler::handleEvents()
}
}
void convertTouch(SDL_Event * current)
{
int rLogicalWidth, rLogicalHeight;
SDL_RenderGetLogicalSize(mainRenderer, &rLogicalWidth, &rLogicalHeight);
int adjustedMouseY = (int)(current->tfinger.y * rLogicalHeight);
int adjustedMouseX = (int)(current->tfinger.x * rLogicalWidth);
current->button.x = adjustedMouseX;
current->motion.x = adjustedMouseX;
current->button.y = adjustedMouseY;
current->motion.y = adjustedMouseY;
}
void CGuiHandler::handleCurrentEvent()
{
if(current->type == SDL_KEYDOWN || current->type == SDL_KEYUP)
@@ -338,22 +353,52 @@ void CGuiHandler::handleCurrentEvent()
it->textEdited(current->edit);
}
}
//todo: muiltitouch
else if(current->type == SDL_MOUSEBUTTONUP)
{
switch(current->button.button)
if(!multifinger)
{
case SDL_BUTTON_LEFT:
handleMouseButtonClick(lclickable, EIntObjMouseBtnType::LEFT, false);
break;
case SDL_BUTTON_RIGHT:
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
break;
case SDL_BUTTON_MIDDLE:
handleMouseButtonClick(mclickable, EIntObjMouseBtnType::MIDDLE, false);
break;
switch(current->button.button)
{
case SDL_BUTTON_LEFT:
handleMouseButtonClick(lclickable, EIntObjMouseBtnType::LEFT, false);
break;
case SDL_BUTTON_RIGHT:
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
break;
case SDL_BUTTON_MIDDLE:
handleMouseButtonClick(mclickable, EIntObjMouseBtnType::MIDDLE, false);
break;
}
}
}
#ifndef VCMI_IOS
else if(current->type == SDL_FINGERDOWN)
{
auto fingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
multifinger = fingerCount > 1;
if(fingerCount == 2)
{
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, true);
}
}
else if(current->type == SDL_FINGERUP)
{
auto fingerCount = SDL_GetNumTouchFingers(current->tfinger.touchId);
if(multifinger)
{
convertTouch(current);
handleMouseMotion();
handleMouseButtonClick(rclickable, EIntObjMouseBtnType::RIGHT, false);
multifinger = fingerCount != 0;
}
}
#endif //VCMI_IOS
current = nullptr;
} //event end
@@ -481,7 +526,8 @@ void CGuiHandler::renderFrame()
CGuiHandler::CGuiHandler()
: lastClick(-500, -500),lastClickTime(0), defActionsDef(0), captureChildren(false)
: lastClick(-500, -500),lastClickTime(0), defActionsDef(0), captureChildren(false),
multifinger(false)
{
continueEventHandling = true;
curInt = nullptr;

1
client/gui/CGuiHandler.h
View File

@@ -101,6 +101,7 @@ public:
Point lastClick;
unsigned lastClickTime;
bool multifinger;
ui8 defActionsDef; //default auto actions
bool captureChildren; //all newly created objects will get their parents from stack and will be added to parents children list

2
client/windows/CAdvmapInterface.cpp
View File

@@ -180,7 +180,7 @@ void CTerrainRect::mouseMoved(const SDL_MouseMotionEvent & sEvent)
void CTerrainRect::handleSwipeMove(const SDL_MouseMotionEvent & sEvent)
{
#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
if(sEvent.state == 0) // any "button" is enough on mobile
if(sEvent.state == 0 || GH.multifinger) // any "button" is enough on mobile
#else
if((sEvent.state & SDL_BUTTON_MMASK) == 0) // swipe only works with middle mouse on other platforms
#endif